The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2018
Filed:
Mar. 13, 2017
Toshiba Memory Corporation, Minato-ku, JP;
Tetsuaki Utsumi, Yokohama, JP;
Katsuaki Isobe, Yokohama, JP;
TOSHIBA MEMORY CORPORATION, Minato-ku, JP;
Abstract
A semiconductor memory device includes a plurality of word lines stacked in a first direction; a semiconductor pillar extending through the plurality of word lines in the first direction; a source line electrically connected to the semiconductor pillar; and a transistor arranged in the first direction with the plurality of word lines. The transistor includes a gate electrode, source and drain regions positioned on both sides of the gate electrode respectively. The source line is positioned between the transistor and the plurality of word lines, and is electrically connected to one of the source and drain regions.